Home / 8,119,840.57-12,182,480.01-2,655,187.39

Finding the Fourth Proportional to 8,119,840.57, 12,182,480.01 and 2,655,187.39

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Solution

The fourth proportional to 8,119,840.57, 12,182,480.01 and 2,655,187.39 is: 3,983,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,840.57 : 12,182,480.01 = 2,655,187.39 : x
  2. Step 2: Convert to fraction form
    8,119,840.57/12,182,480.01 = 2,655,187.39/x
  3. Step 3: Cross multiply
    8,119,840.57x = 12,182,480.01 × 2,655,187.39
  4. Step 4: Simplify right side
    8,119,840.57x = 32,346,767,233,928.70
  5. Step 5: Solve for x
    x = 32,346,767,233,928.70/8,119,840.57
  6. Step 6: Final answer
    x = 3,983,670.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.